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(b) Looking at the horizontal forces at that point leads to
21
sin35
(49N)sin35
28N.
TT
=°
=
°
=
(c) We denote the components of
T
3
as
T
x
(rightward) and
T
y
(upward). Analyzing
horizontal forces where string 2 and string 3 meet, we find
T
x
=
T
2
= 28 N. From the
vertical forces there, we conclude
T
y
=
w
B
=50 N. Therefore,
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 Spring '08
 Any
 Physics, Force

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